The property 'bWantsBeginPlay' on UActorComponent should be enforced.

UE - Gameplay - Sep 14, 2015

UActorComponent's property 'bWantsBeginPlay' is not being enforced. We should prevent BeginPlay from being called when this flag is false. We'll need to address upgrade issues for components that h ...

Variables can no longer be set as a DataTableRowHandle type

UE - Gameplay - Blueprint - Sep 14, 2015

Variables can no longer be set as a DataTableRowHandle type. The option is no longer available in the Variable Type dropdown. This is a regression: this was possible in 4.7.6. Reproduced in 4.8.3 b ...

Mesh not rendered if rootbody not in frame

OLD - Anim - Sep 17, 2015

If you move your camera where it does not look at the rootbody of a skeletal mesh the mesh will disappear. ...

UE4: Anim: SlotNames appear in duplicates

OLD - Anim - Sep 30, 2015

Slot Node Names are supposed to be unique, but something broke where now we see many duplicates of the same Slot Names, even across different SlotGroups. ​ ...

Material Billboard Component clips with Size in Screen Space Enabled

UE - Gameplay - Blueprint - Oct 1, 2015

When setting the Sprite Size to "Is in Screen Space" inside of the Add Material Billboard component, a sprite will clip and turn the screen grey. ...

Buffer Visualizer displays Roughness and Base Color incorrectly.

UE - Graphics Features - Jul 25, 2016

When a material with the exact same values are input into the Base color, Specular, Metallic, and Roughness they display differently in the Buffer Visualizer Overview. ...

Adding Multiple Scene Components to an Actor Causes Parenting Errors

UE - Gameplay - Components - Jan 5, 2016

Attempting to add multiple instances of a Scene Component that was created in code and contains a component such as a Box Collider causes the Box Colliders of each Scene Component to be parented to ...

Packaging with Nativize Blueprint Assets Causes Uninitialized Defaults

UE - Gameplay - Blueprint Runtime - Jul 28, 2016

If you use "Set Array Elem" on a vector array but leave "Item" at the default value of (0,0,0) then you'll end up using a temporary uninitialised vector instead of (0,0,0) when it's nativized. Work ...

OnRep functions do not fire on the client

UE - Networking - Mar 15, 2015

OnRep functions do not fire on the client. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...

Non-Local Players Cannot Hear Opponents Footsteps in Shooter Game

Docs - Samples - Dec 31, 2015

Non local players cannot hear opponents footsteps and other various notifies, however, other sounds such as gunfire, etc. are present. Regression: User reports this issue is not present in the 4.8 ...